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Figure 5 SMC Birefringence in Atherosclerotic Plaques
(A) Optical coherence tomography image of a fibrous plaque. (B) Corresponding PSOCT image showing high birefringence. (C) Corresponding PSR-stained section shows low collagen content in the plaque under polarized light microscopy. (D) Corresponding histology section stained for alpha-smooth muscle actin shows numerous smooth muscle cells (SMCs) within the fibrous plaque. Scale bars = 500 µm. Abbreviations as in Figure 1.
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